(a)[2]
Complete the balancing of this reaction. $2\text{PbS} + \ldots\text{O}_2 \rightarrow 2\text{PbO} + \ldots\text{SO}_2$
(b(i))[1]
In what way does this equation show that lead(II) oxide has been reduced?
(b(ii))[2]
Name two physical properties typical of transition elements.
(c)[2]
State the conditions that must be present for iron to rust.
(d(i))[1]
What does the oxygen do?
(d(ii))[2]
Which oxide below is basic? Circle the right answer. carbon dioxide nitrogen dioxide potassium oxide sulfur trioxide Give a reason.
(e)[2]
What does the term alloy mean?
(f(i))[1]
Give one familiar use of mild steel.
(f(ii))[1]
Give one familiar use of stainless steel.